Audio headset



FIG. 1 is a perspective view of an ornamental design for an audio headset;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a first side view thereof;

FIG. 5 is a second side view thereof;

FIG. 6 is a bottom view thereof;

FIG. 7 is a top view thereof; and,

FIG. 8 is a perspective view thereof.

The broken line in FIGS. 1–8 showing environmental structures is for illustrative purposes and forms no part of the claim design. 

The ornamental design for an audio headset, as shown and described. 